| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 |
| ; RUN: opt -S -passes='loop-mssa(licm)' < %s | FileCheck %s |
| @e = external dso_local global ptr, align 8 |
| |
| define void @main(i1 %arg, ptr %arg1) { |
| ; CHECK-LABEL: define void @main( |
| ; CHECK-SAME: i1 [[ARG:%.*]], ptr [[ARG1:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: br label %[[LOOP1:.*]] |
| ; CHECK: [[LOOP1]]: |
| ; CHECK-NEXT: br label %[[LOOP2:.*]] |
| ; CHECK: [[LOOP2]]: |
| ; CHECK-NEXT: br i1 [[ARG]], label %[[LOOP2_LATCH:.*]], label %[[LOOP_LATCH:.*]] |
| ; CHECK: [[LOOP2_LATCH]]: |
| ; CHECK-NEXT: store i32 0, ptr [[ARG1]], align 4 |
| ; CHECK-NEXT: br label %[[LOOP2]] |
| ; CHECK: [[LOOP_LATCH]]: |
| ; CHECK-NEXT: store ptr null, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0:![0-9]+]] |
| ; CHECK-NEXT: [[PTR:%.*]] = load ptr, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0]] |
| ; CHECK-NEXT: store i32 0, ptr [[PTR]], align 4, !tbaa [[INT_TBAA4:![0-9]+]] |
| ; CHECK-NEXT: br label %[[LOOP1]] |
| ; |
| entry: |
| br label %loop1 |
| |
| loop1: |
| br label %loop2 |
| |
| loop2: |
| br i1 %arg, label %loop2.latch, label %loop.latch |
| |
| loop2.latch: |
| store i32 0, ptr %arg1, align 4 |
| br label %loop2 |
| |
| loop.latch: |
| store ptr null, ptr @e, align 8, !tbaa !0 |
| %ptr = load ptr, ptr @e, align 8, !tbaa !0 |
| store i32 0, ptr %ptr, align 4, !tbaa !4 |
| br label %loop1 |
| } |
| |
| define void @store_null(i1 %arg) { |
| ; CHECK-LABEL: define void @store_null( |
| ; CHECK-SAME: i1 [[ARG:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: br label %[[LOOP1:.*]] |
| ; CHECK: [[LOOP1]]: |
| ; CHECK-NEXT: br label %[[LOOP2:.*]] |
| ; CHECK: [[LOOP2]]: |
| ; CHECK-NEXT: br i1 [[ARG]], label %[[LOOP2_LATCH:.*]], label %[[LOOP_LATCH:.*]] |
| ; CHECK: [[LOOP2_LATCH]]: |
| ; CHECK-NEXT: store i32 0, ptr null, align 4 |
| ; CHECK-NEXT: br label %[[LOOP2]] |
| ; CHECK: [[LOOP_LATCH]]: |
| ; CHECK-NEXT: store i32 0, ptr null, align 4, !tbaa [[INT_TBAA4]] |
| ; CHECK-NEXT: br label %[[LOOP1]] |
| ; |
| entry: |
| br label %loop1 |
| |
| loop1: |
| br label %loop2 |
| |
| loop2: |
| br i1 %arg, label %loop2.latch, label %loop.latch |
| |
| loop2.latch: |
| store i32 0, ptr null, align 4 |
| br label %loop2 |
| |
| loop.latch: |
| store ptr null, ptr @e, align 8, !tbaa !0 |
| %ptr = load ptr, ptr @e, align 8, !tbaa !0 |
| store i32 0, ptr %ptr, align 4, !tbaa !4 |
| br label %loop1 |
| } |
| |
| !0 = !{!1, !1, i64 0} |
| !1 = !{!"any pointer", !2, i64 0} |
| !2 = !{!"omnipotent char", !3, i64 0} |
| !3 = !{!"Simple C/C++ TBAA"} |
| !4 = !{!5, !5, i64 0} |
| !5 = !{!"int", !2, i64 0} |
| ;. |
| ; CHECK: [[ANYPTR_TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0} |
| ; CHECK: [[META1]] = !{!"any pointer", [[META2:![0-9]+]], i64 0} |
| ; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0} |
| ; CHECK: [[META3]] = !{!"Simple C/C++ TBAA"} |
| ; CHECK: [[INT_TBAA4]] = !{[[META5:![0-9]+]], [[META5]], i64 0} |
| ; CHECK: [[META5]] = !{!"int", [[META2]], i64 0} |
| ;. |
